package com.mmall.common;

import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;


import java.io.Serializable;

@JsonSerialize(include = JsonSerialize.Inclusion.NON_NULL)//为空的字段不返回
public class ServerResponse<T> implements Serializable {

    private int status;

    private String msg;

    private T data;

    private ServerResponse(int status) {
        this.status = status;
    }

    private ServerResponse(int status, T data) {
        this.status = status;
        this.data = data;
    }

    private ServerResponse(int status, String msg) {
        this.status = status;
        this.msg = msg;
    }

    private ServerResponse(int status, String msg, T data) {
        this.status = status;
        this.msg = msg;
        this.data = data;
    }

    @JsonIgnore//忽略该字段返回
    public boolean isSuccess() {
        return this.status == ResponseCode.SUCCESS.getCode();
    }

    public int getStatus() {
        return status;
    }

    public String getMsg() {
        return msg;
    }

    public T getData() {
        return data;
    }

    public static <T> ServerResponse<T> retSuccess() {
        return new ServerResponse<T>(ResponseCode.SUCCESS.getCode());
    }

    public static <T> ServerResponse<T> retSuccessMsg(String msg){
        return new ServerResponse<T>(ResponseCode.SUCCESS.getCode(), msg);
    }

    public static <T> ServerResponse<T> retSuccessData(T data){
        return new ServerResponse<T>(ResponseCode.SUCCESS.getCode(), data);
    }

    public static <T> ServerResponse<T> retSuccess(String msg,T data){
        return new ServerResponse<T>(ResponseCode.SUCCESS.getCode(),msg, data);
    }
    public static <T> ServerResponse<T> retError(){
        return new ServerResponse<T>(ResponseCode.ERROR.getCode(),ResponseCode.ERROR.getDesc());
    }

    public static <T> ServerResponse<T> retErrorMsg(String msg){
        return new ServerResponse<T>(ResponseCode.ERROR.getCode(), msg);
    }
    public static <T> ServerResponse<T> retErrorCode(int errorcode,String errormsg){
        return new ServerResponse<T>(errorcode,errormsg);
    }
}
